HVAC Mirage | 12,000 BTU | 19.0 SEER2 | Concealed Duct Ceiling | Single-Zone Mini Split System | 208/230V | DGFH091C

The HVAC Mirage DGFH091C is a 12,000 BTU concealed ducted indoor air handler designed for discrete, whole-room climate control. Built for buyers who need a hidden, low-profile cooling and heating solution that integrates cleanly into a ceiling cavity — professional installation required.

HVAC Mirage Concealed Ducted Series — 12,000 BTU Indoor Air Handler (DGFH091C)

The DGFH091C concealed ducted air handler delivers 12,000 BTU of cooling capacity from inside a ceiling cavity, keeping all mechanical components completely out of sight. Rated at 19.0 SEER2, it pairs with a compatible HVAC Mirage multi-zone or single-zone outdoor condenser for a full system. This unit is engineered for 208/230V single-phase electrical systems and requires professional HVAC installation — it is not a DIY product.

Indoor Air Handler

Outdoor Condenser
(Sold Separately)

Wireless Remote Control

Installation Requirements & Accessories

• Voltage: Requires a dedicated 208/230V, 60Hz, single-phase electrical circuit.
• Wiring: Use 14/4 AWG stranded wire between indoor air handler and outdoor condenser.
• Line Set Size Required: 3/8" liquid line x 7/8" suction line copper — NOT included, must be purchased separately.
• Outdoor Condenser NOT included: This is a component-only listing for the indoor air handler. A compatible HVAC Mirage outdoor condenser must be purchased separately.
• Not Compatible With: 115V-only electrical circuits.
• Wall sleeve / mounting bracket NOT included where applicable — verify ceiling cavity dimensions before ordering.
• Professional Installation Required: This is not a DIY unit. A licensed HVAC technician must install and commission this system.

Pro-Installer Tip

Technical Friction — Flare Connection Integrity: On concealed duct installations, leaking flare connections are among the most common callbacks. A single undertorqued flare will result in refrigerant loss, declining system efficiency, and an "E1" indoor/outdoor communication fault code that is difficult to diagnose once the ceiling is closed up.

Long-Term Prevention: Before closing the ceiling, verify every flare fitting is torqued to the manufacturer's published specification using a Digital Torque Wrench. After brazing or flaring, pull a deep vacuum to below 500 microns and hold for a minimum of 15 minutes — a rising vacuum indicates a leak before the system is charged.

Expert Validation: Use an Eccentric Flaring Tool (not a standard wing-nut flare tool) to produce a consistent 45° seat angle that seals correctly against the service valve fitting. Inspect flares under magnification for radial cracks before torquing.

Professional Standard: All refrigerant work on R-410A systems must be performed by an EPA Section 608 Certified Technician. Venting refrigerant is a federal violation. Proper commissioning protects both the warranty and the environment.

Key Benefits

• Concealed installation: Air handler mounts fully inside a ceiling cavity — no visible equipment in the conditioned space.
• 19.0 SEER2 efficiency: Exceeds federal minimum efficiency standards for lower operating costs.
• Variable-speed inverter comfort: Inverter-driven compressor (via paired outdoor condenser) modulates output to maintain consistent temperatures rather than cycling on and off.
• R-410A factory pre-charged: Refrigerant is factory pre-charged in the outdoor condenser, reducing field charging time.
• 208/230V compatibility: Designed for standard residential and light commercial single-phase electrical infrastructure.

Technical Specifications

Compatibility & Fitment

• ✅ Compatible with dedicated 208/230V single-phase electrical circuits.
• ✅ Designed to pair with a compatible HVAC Mirage outdoor condenser (single-zone or multi-zone).
• ❌ Not compatible with 115V-only electrical circuits.
• ❌ Outdoor condenser NOT included — this listing is for the indoor air handler only.
• ❌ Line set NOT included — purchase 3/8" liquid x 7/8" suction copper line set separately.
• ❌ Wall sleeve / mounting bracket NOT included — verify ceiling cavity clearances with your contractor before ordering.

FAQ

Is professional installation required to keep the warranty valid, or is this a true DIY kit?

Professional installation by a licensed HVAC technician is required. The DGFH091C is not a DIY kit — it uses standard flare connections that must be properly torqued and a vacuum must be pulled below 500 microns. Warranty validity requires professional installation.

Is the line set included, and if not, what size do I need to buy?

The line set is NOT included. You will need to purchase a copper line set separately with a 3/8" liquid line and 7/8" suction line. Confirm maximum run length with the compatible outdoor condenser specifications.

What voltage circuit does this unit require?

The DGFH091C requires a dedicated 208/230V, 60Hz, single-phase electrical circuit. It is NOT compatible with 115V-only circuits. Confirm breaker size requirements with the matching outdoor condenser specifications.

What refrigerant does this system use?

This unit uses R-410A refrigerant, which is factory pre-charged in the outdoor condenser unit. Any refrigerant work must be performed by an EPA Section 608 certified technician.

Compliance & Warranty

The HVAC Mirage DGFH091C is covered by a 7-Year Compressor / 5-Year Parts Limited Warranty. Warranty validity requires installation by a licensed HVAC professional. All refrigerant handling must comply with EPA Section 608 regulations. R-410A systems must be serviced by a certified technician — venting refrigerant is a federal violation.